Παραπομπή σε μορφή APA (7η εκδ.)

Beard, E., Aveyard, P., Brown, J., & West, R. (2012). Assessing the association between the use of NRT for smoking reduction and attempts to quit smoking using propensity score matching. Elsevier.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Beard, E., P. Aveyard, J. Brown, και R. West. Assessing the Association Between the Use of NRT for Smoking Reduction and Attempts to Quit Smoking Using Propensity Score Matching. Elsevier, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Beard, E., et al. Assessing the Association Between the Use of NRT for Smoking Reduction and Attempts to Quit Smoking Using Propensity Score Matching. Elsevier, 2012.